CN219387936U

CN219387936U - Pin locking anchor pipe positioning device

Info

Publication number: CN219387936U
Application number: CN202222568109.8U
Authority: CN
Inventors: 张劲夫; 刘斌; 谭一烜; 李建阳; 陈勇; 周翠云; 张晗; 韩红伟
Original assignee: China Railway No 3 Engineering Group Co Ltd; Guangdong Construction Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Current assignee: China Railway No 3 Engineering Group Co Ltd; Guangdong Construction Engineering Co Ltd of China Railway No 3 Engineering Group Co Ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-07-21
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a foot locking anchor pipe positioning device, which relates to the technical field of support construction and comprises a fixed plate, a sleeve assembly and a bolt assembly; the sleeve assembly comprises a first sleeve and a second sleeve, the first sleeve is fixed on the fixed plate in a welding mode, the second sleeve is fixed on the fixed plate in a welding mode, and the first sleeve and the second sleeve are fixed on the same side of the fixed plate; the bolt assembly comprises a first bolt and a second bolt, the first bolt is fixed on the side surface of the fixed plate in a welding mode, the second bolt is fixed on the side surface of the fixed plate in a welding mode, and the first bolt and the second bolt are fixed on the same side of the fixed plate; the fixing plate is located between the sleeve assembly and the bolt assembly. The utility model has simple structure and easy installation and disassembly through the combined structure of the fixing plate, the sleeve component and the bolt component; and the U-shaped steel plate is fixed on the I-shaped steel flange plate of the steel arch according to the design angle of the foot locking anchor pipe, so that the accuracy of the anchor pipe setting angle is improved.

Description

Pin locking anchor pipe positioning device

Technical Field

The utility model relates to the technical field of support construction, in particular to a foot locking anchor pipe positioning device.

Background

In the construction process of the traditional tunnel primary support steel bar foot locking anchor pipe, a manual operation pneumatic rock drill is mainly adopted for forming holes, and the two sides of a steel frame are clung to the step positions to form holes in a downward inclined mode. And cleaning eyelets by adopting high-pressure air after hole forming, inserting or knocking in the anchor pipe, and reliably connecting the foot locking anchor pipe with phi 22 steel bars arranged on the steel frame after grouting. When the workman is with beating and establishing the hole, angle control has great randomness, can't ensure to beat and establish the angle, leads to lock foot anchor pipe atress angle to change, and the supporting effect that plays is relatively poor.

Chinese patent CN210264751U discloses a locking anchor pipe positioning device, comprising a positioning steel plate and a guiding steel pipe. The positioning steel plate is provided with two directional holes, an inclined 45-degree rectangular hole which is matched with the cross section of the positioning steel plate is processed on the profile steel web plate, the positioning plate passes through the rectangular hole and then is firmly welded with the profile steel web plate, the guide steel pipe is installed, and the guide pipe passes through the directional hole on the positioning steel plate and is firmly welded with the positioning steel plate. When the foot locking anchor pipe is manufactured, positioning, drilling and welding are performed through the guide steel pipe. The device is convenient to process, simple to operate and low in cost, can accurately control the construction angle of the foot locking anchor pipe, improves the connection firmness of the foot locking anchor pipe and the primary support steel frame, avoids the defect that the welding of the L-shaped connecting ribs is unstable, and can be widely applied to primary support construction of a tunnel adopting a steel frame.

Chinese patent CN112647985a discloses a joint supporting device for locking anchor pipe/anchor rod and steel arch, and its construction method, the concrete scheme is as follows: the combined supporting device for the foot locking anchor pipe/anchor rod and the steel arch comprises a steel arch for supporting surrounding rock, wherein one end of the foot locking anchor pipe or the foot locking anchor rod is inserted into the surrounding rock, the other end of the foot locking anchor pipe or the foot locking anchor rod is exposed out of the surrounding rock, and the end part exposed out of the surrounding rock is directly connected with the steel arch or is connected with the steel arch through a connecting piece; the problem of stock and steel bow member mutually independent support the country rock among the prior art is solved, the overall stability of supporting structure has effectively been improved, the anchor of lock foot support to the country rock has been strengthened, the problem that the fashionable not closed steel bow member of substep excavation receives the lateral extrusion of country rock to take place to warp even become invalid has been alleviated by a wide margin, judge in advance according to the country rock level and adopt anchor pipe or stock, can avoid the wasting of resources again when guaranteeing support intensity.

The above-mentioned searched patents, although all relate to U type structure, but the structure is complicated, dismantles and installs inconvenient, and difficult control anchor pipe is beaten and is established the angle, beats and establishes the degree of accuracy and wait to be examined. Therefore, there is an urgent need for a positioning device with a simple structure and a relatively accurate anchor tube setting angle.

Disclosure of Invention

The utility model provides a foot locking anchor tube positioning device, which aims at solving the problems of inaccurate anchor tube setting angle and the like in the prior art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a locking foot anchor pipe positioning device comprises a fixed plate, a sleeve component and a bolt component;

the sleeve assembly comprises a first sleeve and a second sleeve, the first sleeve is fixed on the fixed plate in a welding mode, the second sleeve is fixed on the fixed plate in a welding mode, and the first sleeve and the second sleeve are fixed on the same side of the fixed plate;

the bolt assembly comprises a first bolt and a second bolt, the first bolt is fixed on the side surface of the fixed plate in a welding mode, the second bolt is fixed on the side surface of the fixed plate in a welding mode, and the first bolt and the second bolt are fixed on the same side of the fixed plate;

the fixing plate is located between the sleeve assembly and the bolt assembly.

Based on the technical scheme, furthermore, the fixing plate is a U-shaped steel plate, the thickness of the fixing plate is 1cm, and the width of the U-shaped steel plate is 180mm.

Based on the technical scheme, the U-shaped steel plate further comprises a first vertical plate, a second vertical plate and a transverse plate, and the first vertical plate, the second vertical plate and the transverse plate are integrally formed; the first sleeve is fixed on one side of the first vertical plate, the first bolt is fixed on the other side of the first vertical plate, and the first vertical plate is arranged between the first sleeve and the first bolt; the second sleeve is fixed on one side of the second vertical plate, the second bolt is fixed on the other side of the second vertical plate, and the second vertical plate is arranged between the second sleeve and the second bolt.

Based on the technical scheme, further, the first bolt is perpendicular to the first vertical plate, the second bolt is perpendicular to the second vertical plate, and the first bolt and the second bolt are parallel to the transverse plate.

Based on the technical scheme, further, the first sleeve is parallel to the first vertical plate, the second sleeve is parallel to the second vertical plate, and the first sleeve and the second sleeve are perpendicular to the transverse plate.

Based on the above technical scheme, still further, first riser one end is established to first riser tip, and second riser one end sets up the second riser tip, first bolt setting is in 65 mm's from first riser tip position department, the second bolt setting is in 65 mm's from second riser tip position department.

Based on the technical scheme, further, the diameters of the first sleeve and the second sleeve are 6.5cm, and the lengths of the first sleeve and the second sleeve are 300mm.

Based on the technical scheme, further, the first bolt and the second bolt are both M16 bolts.

Compared with the prior art, the utility model has the following beneficial effects:

the utility model has simple structure and easy installation and disassembly through the combined structure of the fixing plate, the sleeve component and the bolt component; and when in use, the U-shaped steel plate is fixed on the I-shaped steel flange plate of the steel arch according to the design angle of the anchor pipe of the locking foot, thereby facilitating the adjustment of the angle and improving the accuracy of the angle of the anchor pipe.

Drawings

FIG. 1 is a schematic view of the overall structure of the lock foot anchor pipe positioning device of the utility model;

reference numerals: 1. a first riser; 11. a first riser end; 2. a second riser; 21. a second riser end; 3. a cross plate; 4. a first sleeve; 5. a second sleeve; 6. a first bolt; 7. and a second bolt.

Detailed Description

It is to be noted that the raw materials used in the present utility model are all common commercial products, and the sources thereof are not particularly limited.

The following raw material sources are exemplary illustrations:

example 1

The foot locking anchor pipe positioning device shown in fig. 1 comprises a fixed plate, a sleeve assembly and a bolt assembly; the sleeve assembly comprises a first sleeve 4 and a second sleeve 5, wherein the first sleeve 4 is fixed on a fixed plate in a welding mode, the second sleeve 5 is fixed on the fixed plate in a welding mode, and the first sleeve 4 and the second sleeve 5 are fixed on the same side of the fixed plate; the bolt assembly comprises a first bolt 6 and a second bolt 7, the first bolt 6 is fixed on the side surface of the fixed plate in a welding mode, the second bolt 7 is fixed on the side surface of the fixed plate in a welding mode, and the first bolt 6 and the second bolt 7 are fixed on the same side of the fixed plate; the fixing plate is located between the sleeve assembly and the bolt assembly.

Specifically, the fixed plate is a U-shaped steel plate, the thickness of the fixed plate is 1cm, and the width of the U-shaped steel plate is 180mm. The U-shaped steel plate comprises a first vertical plate 1, a second vertical plate 2 and a transverse plate 3, wherein the first vertical plate 1, the second vertical plate 2 and the transverse plate 3 are integrally formed; the first sleeve 4 is fixed on one side of the first vertical plate 1, the first bolt 6 is fixed on the other side of the first vertical plate 1, and the first vertical plate 1 is arranged between the first sleeve 4 and the first bolt 6; the second sleeve 5 is fixed on one side of the second riser 2, the second bolt 7 is fixed on the other side of the second riser 2, and the second riser 2 is arranged between the second sleeve 5 and the second bolt 7. The first bolt 6 is perpendicular to the first riser 1, the second bolt 7 is perpendicular to the second riser 2, and both the first bolt 6 and the second bolt 7 are parallel to the cross plate 3. The first sleeve 4 is parallel to the first riser 1, the second sleeve 5 is parallel to the second riser 2, one end of the first riser 1 is set to be a first riser end 11, one end of the second riser 2 is set to be a second riser end 21, the first sleeve 4 and the first bolt 6 are arranged at a position 65mm away from the first riser end, the second bolt 7 is arranged at a position 65mm away from the second riser end, and the first bolt 6 and the second bolt 7 are both M16 bolts. The diameters of the first sleeve 4 and the second sleeve 5 are both 6.5cm, and the lengths of the first sleeve 4 and the second sleeve 5 are both 300mm.

The use principle of the device is as follows: when the U-shaped steel plate is used, the U-shaped steel plate is fixed on the I-shaped steel flange plate of the steel arch according to the design angle of the foot locking anchor pipe, the I-shaped steel web plate on the primary steel arch is tightly propped up by the bolt assembly and is locked and positioned at the position about 30cm above the steel arch supporting leg, and the first bolt 6 and the second bolt 7 are respectively arranged at the positions of 65mm upwards at the bottoms of the first sleeve 4 and the second sleeve 5, so that the whole U-shaped tool naturally presents an angle of 45 degrees after the tops of the first sleeve 4 and the second sleeve 5 are positioned.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The foot locking anchor pipe positioning device is characterized by comprising a fixed plate, a sleeve component and a bolt component; the sleeve assembly comprises a first sleeve (4) and a second sleeve (5), wherein the first sleeve (4) is fixed on the fixed plate in a welding mode, the second sleeve (5) is fixed on the fixed plate in a welding mode, and the first sleeve (4) and the second sleeve (5) are fixed on the same side of the fixed plate;

the bolt assembly comprises a first bolt (6) and a second bolt (7), the first bolt (6) is fixed on the side surface of the fixed plate in a welding mode, the second bolt (7) is fixed on the side surface of the fixed plate in a welding mode, and the first bolt (6) and the second bolt (7) are fixed on the same side of the fixed plate;

the fixing plate is located between the sleeve assembly and the bolt assembly.

2. The foot locking anchor pipe positioning device according to claim 1, wherein the fixing plate is a U-shaped steel plate, the thickness of the fixing plate is 1cm, and the width of the U-shaped steel plate is 180mm.

3. The foot locking anchor pipe positioning device according to claim 2, wherein the U-shaped steel plate comprises a first vertical plate (1), a second vertical plate (2) and a transverse plate (3), and the first vertical plate (1), the second vertical plate (2) and the transverse plate (3) are integrally formed; the first sleeve (4) is fixed on one side of the first vertical plate (1), the first bolt (6) is fixed on the other side of the first vertical plate (1), and the first vertical plate (1) is arranged between the first sleeve (4) and the first bolt (6); the second sleeve (5) is fixed on one side of the second vertical plate (2), the second bolt (7) is fixed on the other side of the second vertical plate (2), and the second vertical plate (2) is arranged between the second sleeve (5) and the second bolt (7).

4. A foot-locking anchor pipe positioning device according to claim 3, characterized in that the first bolt (6) is perpendicular to the first riser (1), the second bolt (7) is perpendicular to the second riser (2), and both the first bolt (6) and the second bolt (7) are parallel to the cross plate (3).

5. A foot-locking anchor pipe positioning device according to claim 3, characterized in that the first sleeve (4) is parallel to the first riser (1), the second sleeve (5) is parallel to the second riser (2), and both the first sleeve (4) and the second sleeve (5) are perpendicular to the cross plate (3).

6. A foot-locking anchor pipe positioning device according to claim 3, characterized in that one end of the first riser (1) is provided as a first riser end (11), one end of the second riser (2) is provided with a second riser end (21), the first bolt (6) is provided at a position 65mm from the first riser end (11), and the second bolt (7) is provided at a position 65mm from the second riser end (21).

7. A foot-locking anchor pipe positioning device according to claim 1, characterized in that the first bolt (6) and the second bolt (7) are both M16 bolts.

8. A foot-locking anchor pipe positioning device according to claim 1, characterized in that the diameters of the first sleeve (4) and the second sleeve (5) are 6.5cm, and the lengths of the first sleeve (4) and the second sleeve (5) are 300mm.